Fix build with QT_NO_MDIAREA

Change-Id: I456fea53f641476ea63cbe170cc65811c92eb290
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Fix QT_NO_ANIMATION build

Change-Id: Ia589e703206d6ca675a392e634e2a445dcf4cca3
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Fix QT_NO_REGULAREXPRESSION build

Change-Id: Ibf1358733d7c5aa2c14cf46c23a24ba4da14143c
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Correct the SYNC hint for the release barrier

The MIPS32 manual I have says 0x11 is SYNC_ACQUIRE and 0x12 is
SYNC_RELEASE. The change was an unintentional mistake in commit
60b6b28c213a420ee40e254ff1823876098e0a04.

Thanks to Spencer Schumann for spotting this.

Change-Id: I16885e4e86e8befa8931733d0b5a54ac9942f176
Reviewed-by: Spencer Schumann <spencer.schumann@echostar.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>
Make sure we don't cache old file sizes prior to new writes

If we write to a file, its size changes. We should drop previous size
caches.

Change-Id: Ib687c91e5fc88cab588c89023f23da9622160da9
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>